翻译下列句子

1. 他们在世界各地举办音乐会,音乐会的票总是销售一空.

    They've ________ ________ all over the world and the tickets have always ________ ________.

2. 因为下雨,他没有去公园.

    He didn't go to the park ________ ________ the rain.

3. 冼星海融合了西方音乐和中国音乐.

    Xian Xinghai ________ western and Chinese music ________.

4. 直到玛丽来我校我才认识她.

    I ________ ________ Mary ________ she started ________ to my school.

5. 科学家认为地球上的生命已有几百万年的历史.

    Scientists think that ________ ________ ________ ________ on Earth for millions of years.